Home / 940,808.82-1,298,327.23-511,095.72

Finding the Fourth Proportional to 940,808.82, 1,298,327.23 and 511,095.72

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Solution

The fourth proportional to 940,808.82, 1,298,327.23 and 511,095.72 is: 705,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,808.82 : 1,298,327.23 = 511,095.72 : x
  2. Step 2: Convert to fraction form
    940,808.82/1,298,327.23 = 511,095.72/x
  3. Step 3: Cross multiply
    940,808.82x = 1,298,327.23 × 511,095.72
  4. Step 4: Simplify right side
    940,808.82x = 663,569,489,134.72
  5. Step 5: Solve for x
    x = 663,569,489,134.72/940,808.82
  6. Step 6: Final answer
    x = 705,318.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.